M Tejasri, Vishnuvardhan Rao, Simhachalam Babu M, Dr. CSN Vittal, Dr. Sai Rashmee Ramavath. “A Study on Awareness Among Parents About Pneumococcal Conjugate Vaccine in Routine Immunization Program to Prevent Pneumococcal Diseases”. Int. J. Heal. Clin. Res. [Internet]. 2022Jan.18 [cited 2025Dec.13];5(3):900-2. Available from: https://ijhcr.com/index.php/ijhcr/article/view/5296